Results 1 to 10 of about 13,769 (299)

The complete organellar genomes of the entheogenic plant Psychotria viridis (Rubiaceae), a main component of the ayahuasca brew [PDF]

open access: yesPeerJ, 2022
Psychotria viridis (Rubioideae: Rubiaceae), popularly known as chacrona, is commonly found as a shrub in the Amazon region and is well-known to produce psychoactive compounds, such as the N,N-dimethyltryptamine (DMT).
Alessandro M. Varani   +8 more
doaj   +4 more sources

Biologia reprodutiva de Psychotria spectabilis Steyrm. e Palicourea cf. virens (Poepp & Endl.) Standl. (Rubiaceae) em uma floresta tropical úmida na região de Manaus, AM, Brasil Reproductive biology of Psychotria spectabilis Steyrm. and Palicourea cf. virens (Poepp. & Endl.) Standl. (Rubiaceae) in a moist tropical forest at Manaus, Amazonas State, Brazil [PDF]

open access: diamondActa Botânica Brasílica, 2008
Este estudo descreve a fenologia reprodutiva, morfologia e biologia floral, polinização e sucesso reprodutivo de Psychotria spectabilis e Palicourea cf. virens. Psychotria spectabilis floresceu de setembro a dezembro enquanto Palicourea cf.
Otilene dos Anjos Santos   +2 more
doaj   +2 more sources

Fenologia de Psychotria nuda e P. Brasiliensis (Rubiaceae) em uma área de Floresta Atlântica no sudeste do Brasil Phenology of Psychotria nuda and P. brasiliensis (Rubiaceae) in an area of the Atlantic Forest, Southeast of Brazil [PDF]

open access: diamondActa Botânica Brasílica, 2000
Este estudo descreve os padrões fenológicos de duas espécies simpátricas, Psychotria nuda e P. brasiliensis, comparando-as quanto à fenologia e à distribuição espacial e relacionando os eventos fenológicos a fatores abióticos (pluviosidade, temperatura e
Elisângela Medeiros de Almeida   +1 more
doaj   +2 more sources

Solved at last: The Philippine endemic Psychotria philippensis is a synonym of Scyphiphora hydrophylacea (Rubiaceae, Scyphiphoreae) [PDF]

open access: yesPhytoKeys, 2023
Psychotria philippensis (Rubiaceae) was described by Chamisso and Schlechtendal in 1829, was the first Psychotria name published for the Philippines and is currently considered a Philippine endemic.
Andreas Berger
doaj   +4 more sources

Biologia reprodutiva de Psychotria poeppigiana Mull. Arg. (Rubiaceae) em mata de galeria Reproductive biology of Psychotria poeppigiana Mull. Arg. (Rubiaceae) in gallery forest [PDF]

open access: diamondActa Botânica Brasílica, 2004
Psychotria L. (Rubiaceae) é o gênero com mais espécies heterostílicas dentre as Angiospermas. O objetivo deste trabalho é descrever a biologia floral, fenologia, o sistema reprodutivo e os polinizadores de Psychotria poeppigiana Müll. Arg.
Christiano Peres Coelho   +1 more
doaj   +2 more sources

Anatomia de estípulas e coléteres de Psychotria carthagenensis Jacq. (Rubiaceae) Stipule and colleter anatomy of Psychotria carthagenensis Jacq. (Rubiaceae) [PDF]

open access: diamondActa Botânica Brasílica, 2009
Psychotria carthagenensis (Rubiaceae) pode ser identificada pela presença de estípulas apicais lanceoladas. Muitos gêneros da família têm estípulas com estruturas secretoras, denominadas coléteres.
Narah Costa Vitarelli, Marisa Santos
doaj   +2 more sources

Poisoning in Ruminants by Palicourea Aubl. Species (Rubiaceae) in Brazil: A Review [PDF]

open access: yesVeterinary Sciences
Some species belonging to the genus Palicourea (Rubiaceae) are known to cause poisoning in production animals on Brazilian rural properties, being responsible for negatively affecting the livestock sector of the country.
Flávia Aparecida de Oliveira Bezerra   +3 more
doaj   +2 more sources

ROOTING OF Psychotria nuda (Cham. & Schltdl.) Wawra (RUBIACEAE) IN THE FOUR SEASONS OF THE YEAR [PDF]

open access: goldCiência Florestal, 2014
http://dx.doi.org/10.5902/1980509813341Psychotria nuda (Cham. & Schltdl.) Wawra (Rubiaceae) is a tree species native from the Atlantic Forest. It has wide geographical distribution in Brazil, since the states of Minas Gerais and Rio de Janeiro to ...
Francine da Silva Guerellus Nery   +2 more
doaj   +2 more sources

Poisonous plants for ruminants in the dairy region of Pernambuco, Northeastern Brazil [PDF]

open access: yesPesquisa Veterinária Brasileira, 2021
: A survey carried out in the dairy region of Pernambuco was conducted to determine the most important poisonous plants for ruminants in the region. A total of 95 farmers from 19 municipalities were interviewed and the grazing areas of ruminants were ...
Jaianne K.A. Melo   +6 more
doaj   +1 more source

Psychotria ficigemma DC.

open access: yes, 2022
Published as part of Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, pp.
Molino, Jean-François   +10 more
  +6 more sources

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